136581640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262657}}^1$

素因数の和:262681

約数の個数: 32

約数和(自身を含む): 330949080

約数和(自身を除く): 194367440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 262657, 525314, 1050628, 1313285, 2101256, 2626570, 3414541, 5253140, 6829082, 10506280, 13658164, 17072705, 27316328, 34145410, 68290820, 136581640]

約数ペア:

[(1, 136581640), (2, 68290820), (4, 34145410), (5, 27316328), (8, 17072705), (10, 13658164), (13, 10506280), (20, 6829082), (26, 5253140), (40, 3414541), (52, 2626570), (65, 2101256), (104, 1313285), (130, 1050628), (260, 525314), (520, 262657)]